function removeAllMarkers(){
	
	for(var obj in arrayPontos){	
		//alert("remove all " + arrayPontos[obj].id);
		arrayPontos[obj].active = false;
		
		for(var pos in arrayPontos[obj].arrayMarkers){	
			arrayPontos[obj].arrayMarkers[pos].marker.setMap(null);		
		}
		arrayPontos[obj].check = false;
	}
}